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            <th> 城市名 </th>
            <th> 位置 </th>
            <th> GDP(亿) </th>
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            <td> 鹤岗 </td>
            <td rowspan = "2"> 黑龙江 </td>
            <td> 1200 </td>
        </tr>
        <tr>
            <td>大庆</td>
            <td> 1600 </td>
        </tr>
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            <td> 三亚 </td>
            <td> 海南 </td>
            <td> 2600 </td>
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            <td> 南通 </td>
            <td> 江苏 </td>
            <td> 10600 </td>
        </tr>
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